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ID#:14150
Description:The young man pictured here was seated outdoors as he was in the process of completing an exercise session. At this point in his routine, he was performing a weight training exercise known as a biceps curl, which is intended to build the participant’s biceps muscle, as well as the forearm flexors. The weight, in this case a 30Lb dumbbell, is grasped by a closed fist, palm up, and when flexed, the arm lifts the weight up to the shoulder level.
Adults need at least:

2 hours and 30 minutes (150 minutes) of moderate-intensity aerobic activity (i.e., brisk walking) every week, AND

muscle-strengthening activities on 2 or more days a week that work all major muscle groups (legs, hips, back, abdomen, chest, shoulders, and arms).

OR

1 hour and 15 minutes (75 minutes) of vigorous-intensity aerobic activity (i.e., jogging or running) every week, AND

muscle-strengthening activities on 2 or more days a week that work all major muscle groups (legs, hips, back, abdomen, chest, shoulders, and arms).

OR

An equivalent mix of moderate- and vigorous-intensity aerobic activity, AND

muscle-strengthening activities on 2 or more days a week that work all major muscle groups (legs, hips, back, abdomen, chest, shoulders, and arms).

High Resolution:Right click here and select "Save target as" or "Save link as" for hi-resolution image (11.52 MB)
Content Providers(s):CDC/ Amanda Mills
Creation Date:2011
Photo Credit:Amanda Mills
Links:CDC - National Center for Chronic Disease Prevention and Health Promotion; Division of Nutrition, Physical Activity and Obesity; Physical Activity for Everyone: How much physical activity do adults need?
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

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